来自新鲜和加工的多糖体的结构性特征,便秘缓解和低脂性活性 Dendrobium officinale
Tingting Ding1, Qingquan Ma1,2, Xin Xu1
1Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Laboratory of Quality and Safety Risk Assessment on Agro-Products Processing, Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs, Beijing 100193, China.
从新鲜的Dendrobium officinale (DO) 和加工的Fengdou DO中分析了多糖. 新鲜的DO多糖体显示出更强的降脂效应,而加工的DO则在缓解便秘方面表现出色.
科学领域:
- 食品科学 食品科学 食品科学
- 生物化学 生物化学
- 药理学 药理学 是一个学科.
背景情况:
- 丹德罗 (Dendrobium officinale,DO) 是一种传统的药用植物,含有众所周知的胃肠道和代谢益处的多糖化合物.
- 将新鲜的DO加工成"dou"的目的是延长保质期,但其对多糖结构和生物活性的影响尚不清楚.
研究的目的:
- 从新鲜的DO (FDOP) 和Fengdou (DDOP) 中分离,净化和比较表征多糖.
- 评估FDOP和DDOP对斑马鱼模型中便秘和脂质积累的影响.
主要方法:
- 从新鲜的DO和Fengdou中分离和净化多糖.
- 使用各种分析技术进行结构性表征.
- 在斑马鱼模型中进行便秘和脂质失调的体内疗效测试.
主要成果:
- 无论是FDOP还是DDOP都是具有相似功能组的曼诺-葡萄糖异聚糖糖.
- FDOP的曼诺斯与葡萄糖的比率更高,分子量更大 (187.1 kDa),骨架比DDOP更复杂 (125.1 kDa,葡萄糖含量更高).
- 两种多糖都缓解了便秘,并减少了斑马鱼的脂质积累; DDOP对便秘更有效,而FDOP显示出更强烈的低脂效应.
结论:
- 结构上的差异,包括分子量和曼丰富度,影响了DO多糖的生物活性.
- FDOP和DDOP分别对便秘和失脂症具有明显的治疗潜力.
- 这些发现支持DO衍生的多糖类作为代谢健康的功能性食品成分的发展.
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